Inhibitory Effects of YP 12, A Newly Synthesized Obovatol Derivative on Rat Aortic Vascular Smooth Muscle Cell Proliferation
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- 2011.09
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서지정보
ㆍ발행기관 : 한국식품위생안전성학회
ㆍ수록지정보 : 한국식품위생안전성학회지 / 26권 / 3호
ㆍ저자명 : 임용, Mi-Yea Lee, 정재경, Myoung-Yun Pyo, 윤여표
영어 초록
Platelet derived growth factor (PDGF)-BB is one of the most potent vascular smooth muscle cell (VSMC) proliferative factors, and abnormal VSMC proliferation by PDGF-BB plays an important role in the development and progression of atherosclerosis. The aim of this study was to assess the effect of YP 12, a newly synthesized obovatol derivative, on the proliferation of PDGF-BB-stimulated rat aortic VSMCs. The anti-proliferative effects of YP 12 on rat aortic VSMCs were examined by direct cell counting and by using [3H] thymidine incorporation assays. It was found that YP 12 potently inhibited the growth of VSMCs. The pre-incubation of YP 12 (1-4 μM)significantly inhibited the proliferation and DNA synthesis of 25 ng/ml PDGF-BB-stimulated rat aortic VSMCs in a concentration-dependent manner. In accordance with these findings, YP 12 revealed blocking of the PDGF-BB-inducible progression through G0/G1 to S phase of the cell cycle in synchronized cells. Whereas, YP 12 did not show any cytotoxicity in rat aortic VSMCs in this experimental condition by WST-1 assay. These results also show that YP 12may have potential as an anti-proliferative agent for the treatment of restenosis and atherosclerosis.
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